Usually, closure shots for tendinitis are given 1 to 2 times, depending on the individual, to prevent adverse effects. If the closed treatment is not good, then surgical treatment is required. Determining how many times a closed shot for tendovaginitis should be given needs to be determined on a case-by-case basis, and cannot be generalized; there is significant individual variability. In general, for mild symptoms, only 1 shot is needed, and if the result is not good, another shot can be given, totaling 2 shots. If there is still no therapeutic effect, the injection should not be repeated to prevent septic tenosynovitis or tissue adhesion. Clinical treatment of tenosynovitis for closed treatment, the commonly used drugs are prednisolone, trimethoprim and other glucocorticosteroids, as well as procaine, lidocaine and other local anesthetics. In addition, for the closed treatment is ineffective patients, need to consider surgical treatment, commonly used surgical methods are tenotomy decompression, incision and drainage. Tendovaginitis is a self-limiting disease, and can be self-limiting if the symptoms are mild. With treatment, the prognosis is good, and patients need to strengthen daily life management to prevent recurrence.